Each marble bag sold by Aldo's Marble Company contains 4 orange marbles for every 5 purple marbles. If a bag has 45 purple marbles, how many orange marbles does it contain?

Harriet found some boxes of books in a closet. She had 2 boxes of adventure stories, 2/5 of a box of mysteries, and 1/5 of a box of comic books. How many boxes of books did she have altogether?

A bug is 1.2 cm up a wall and climbs up 1.7 cm each second. Another bug is 30 cm up the wall and climbs down 1.5 cm per second. After how many seconds will the bugs be the same height? Seconds =

A meal cost $15. we gave the waiter $18 and told him that the difference was his tip. what percent of the cost of the meal was the tip we gave?

In a college parking lot, the number of ordinary cars is larger than the number of sport utility vehicles by 42.9%. the difference between the number of cars and the number of suvs is 12. find the number of suvs in the lot.

Irwin rode his bicycle from one end of a trail to another and back at a speed of 20 miles per hour. If the trail is 4 miles long, for how many hours was Irwin riding? a. 0.2 hoursB. 0.4 hoursC. 2.5 hoursD. 5.0 hours

What was considered the greatest American victory of the War of 1812? A) The Battle of New Orleans B) The Battle of Lake Erie C) The Battle of Tippecanoe D) The Battle of Thames

Solve for π in S=2πrh

how do ypu slove dis? y^2 (q-4) - c (q - 4)

What is the equation for an arithmetic sequence with the first term of 7 and the second term of 3

The sum of two numbers is 35. The greater number is 1 less than 6 times the smaller number. What are the two numbers